When deflection pulley guide pulley timing belt performance matters, the GATES T42151 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Width [mm]: 27, Rubber mm, Material: Composite, Inner Diameter [mm]: Carbon mm, Outer Diameter [mm]: 61 mm, Surface: Plastic. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with ALFA ROMEO, CHEVROLET, FIAT, OPEL and 3 other makes vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 06KD155, 15-3207, 1706103, 24436052 and 32 more. Matching these numbers confirms a like-for-like replacement with no loss of function. GATES is a recognised supplier of automotive engine timing components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.

Gates Corporation, founded in 1911 in Denver, Colorado, USA, is a world leader in power transmission belts and fluid transfer solutions. Gates specialises in timing belts, timing belt kits, serpentine belts, coolant hoses, and tensioner assemblies. As an OE supplier to virtually every major automotive manufacturer, Gates products are engineered to meet or exceed original specifications. With advanced rubber compound technology and precision manufacturing, Gates belts and hoses deliver dependable performance and are the first choice of professional mechanics globally.